[Ips-dhfpr] IPS Daily HF Prop Report - 31 May 03
rwc at ips.gov.au
Sun Jun 1 08:38:11 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 31/2330Z MAY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (31 MAY)
Date T index Conditions
31 May 66 Fair-normal
Flares Max Fadeout Freq. Sectors
M9/2B 0224UT probable lower E. Asia/Aust.
Equatorial PNG Region:
Enhanced by 20% during local day,
Enhanced by 60% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Depressed 15% to near normal local day.
Depressed by 20% during local night.
Antarctic Region (Casey/Scott Base):
15% depressed, absorption observed early in UT day.
PCA Event : Began at 0155UT 29/05, Ended at 0150UT 30/05
and, Began at 0505UT 31/05, Ended at 1505UT 31/05
Predicted Monthly T index for May: 72
2. FORECAST (01 JUNE - 03 JUNE)
Date T index Conditions MUFs
01 Jun 65 Fair-Normal depressed 10 to 15%/near predicted
02 Jun 70 Normal-Fair Near predicted monthly values
03 Jun 50 Fair near predicted monthly values/depressed
10 to 20%
COMMENT: Some mild depressions may be experienced after local
dawn this morning southern Aus/NZ region. Generaaly improving
HF conditions expected, before a return to degraded conditions
after 02 Jun for mid to high latitudes (southern Aus/NZ region)
due to high speed wind stream from solar coronal hole. Also,
a glancing blow from the M9/CME may arrive on 03 Jun.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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